"The Strike Industries Scorpion Universal Reflex Mount for Glock simply fits most micro red dot sights without milling and cutting on your Glock slide. This kit even includes an ambidextrous charging handle you can choose to add to your firearm. The Scorpion Mount accepts the C-More, Delta Point Pro, Docter/Noblex, RMR, Shield, and SIG optics. Mounting posts and screws are included in this kit to get you going. Machined from 6061-T6 aluminum, this quality mount is built to withstand daily use. 1.97""L. Weight: .64 oz. No machining/cutting required Bolt-on design Add the majority of MRDS options on your factory Glock 6061-T6 aluminum construction"